<s>
Actions	B-General_Concept
on	I-General_Concept
Google	I-General_Concept
is	O
a	O
development	O
platform	O
for	O
the	B-Application
Google	I-Application
Assistant	O
.	O
</s>
<s>
It	O
allows	O
the	O
third-party	O
development	O
of	O
"	O
actions	O
"	O
—	O
applets	O
for	O
the	B-Application
Google	I-Application
Assistant	O
that	O
provide	O
extended	O
functionality	O
.	O
</s>
<s>
More	O
advanced	O
developers	O
are	O
able	O
to	O
develop	O
directly	O
against	O
the	O
API	B-Application
,	O
and	O
a	O
SDK	B-Application
for	O
Node.js	B-Language
is	O
also	O
available	O
.	O
</s>
<s>
As	O
of	O
April	O
2017	O
there	O
were	O
more	O
than	O
175	O
Actions	O
for	O
Google	B-Application
Assistant	I-Application
,	O
including	O
ones	O
from	O
Uber	B-Application
,	O
The	O
Motley	O
Fool	O
,	O
NPR	O
One	O
,	O
NBC	O
News	O
,	O
and	O
Domino	O
's	O
Pizza	O
.	O
</s>
<s>
The	O
availability	O
was	O
further	O
extended	O
beyond	O
the	B-Application
Google	I-Application
Home	O
space	O
into	O
Android	B-Application
and	O
iOS	B-Application
.	O
</s>
